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2002 - 2009 TrailBlazer/Envoy Tech
The 02-09 "How-To" and DIY Section
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54
B
Sticky
How-To Fuel Filter Replacement on 02-04 TV WITH PICS
bobbyblaze
Apr 15, 2009
9
10
11
216
201K
Dec 27, 2023
by
No Monitor
Sticky
New "How to fix the seat heater" thread.
GOFASTER
Jan 29, 2009
2
3
4
74
109K
Dec 13, 2023
by
ChevyGal2005
0
Sticky
HVAC Mode Actuator door replacement
03Huggy
Apr 12, 2008
35
36
37
737
861K
Aug 18, 2023
by
Ravalli Surfer
Sticky
MAY03LT's how to videos thread
MAY03LT
Nov 11, 2011
2
29
27K
Aug 14, 2022
by
David11946
C
Sticky
How to replace your stepper motor
CHAVEZ
Dec 5, 2008
20
21
22
437
535K
Jun 5, 2022
by
Ravalli Surfer
O
Sticky
How to hook up trailer lights to Envoy
OldMike
Sep 13, 2011
2
22
26K
Jun 3, 2022
by
Ravalli Surfer
M
Sticky
How to replace your ignition switch (pics)
mellis
Aug 11, 2009
11
12
13
259
416K
Apr 25, 2022
by
chem_man
Sticky
How to: Replacing spark plugs in an I6
MAY03LT
Nov 9, 2009
2
3
4
71
64K
Mar 12, 2022
by
Lizard
Sticky
How to clean your throttle body
KHill
Feb 4, 2009
32
33
34
675
610K
Jul 29, 2021
by
wingerjw
B
Sticky
cabin filter
bass
Feb 19, 2011
14
15
16
303
290K
Jul 4, 2021
by
Lckent48
[SOLVED]
Sticky
Sun roof repair
hatchet669
Aug 20, 2010
2
3
4
60
150K
May 20, 2021
by
Ock
Sticky
How to change your fuel pump- WITH PICS.
rbarrios
Nov 9, 2008
7
8
9
172
252K
Jan 19, 2021
by
pdcomm
Sticky
Thermostat repair- how to- pics included
rbarrios
Oct 14, 2007
16
17
18
356
357K
Oct 22, 2020
by
Scratchin My Head
S
Sticky
2005 Envoy Fuel Pump Replacement - Part I
sinotar
Aug 30, 2010
2
3
54
117K
May 1, 2020
by
romdos
S
Sticky
How to replace the windshield wiper motor
stanggt00
Jul 12, 2007
2
3
4
66
116K
Jan 2, 2019
by
umairaslam1211
Sticky
How To: Replacing an I6 alternator
MAY03LT
Aug 16, 2009
3
4
5
85
116K
Sep 8, 2018
by
Bugeyed1
Sticky
How to: Camshaft Position Actuator Solenoid Cleaning
Urbanarkansas
Sep 5, 2009
18
19
20
388
505K
Aug 16, 2018
by
gmc4flash
Sticky
How to: Replace blower resistor pack replacement WITH PICS!
K2JJB
Oct 23, 2007
36
37
38
755
771K
Aug 1, 2018
by
tblsfan
Sticky
How to seafoam your 4.2l Gmt-360s
Trailblaze_2002
Dec 18, 2009
6
7
8
149
141K
Jul 12, 2018
by
krackerjack9
Sticky
How to replace water pump (pics)
blbkabenvoy
Mar 19, 2010
17
18
19
365
472K
May 20, 2018
by
PeayM
T
Sticky
How to tell which rear gear we have...
theboneskes
Oct 20, 2011
10
17K
Mar 7, 2018
by
toddtnp
Sticky
Gas overflow how to fix TSB: 04-06-04-003A
itchyfishnv
Oct 29, 2008
2
27
53K
Mar 5, 2018
by
Rob616
Sticky
How to- Changing belts on a 5.3 with pictures
Spong
Feb 7, 2009
2
3
44
97K
Jan 14, 2018
by
T-B 9-7X
M
Sticky
Tire Pressure sensor re-learn procedure
MyGoatBites
May 19, 2007
2
31
45K
Apr 24, 2017
by
Jkb242
M
Sticky
Guide to changing Trailblazer / Envoy 4.2L I6 Spark Plugs w/ Images & Google Doc URL
Mageler
Mar 5, 2011
3
4
5
88
2M
Mar 1, 2017
by
tbuaron
Sticky
How to: Resetting the "change oil" light
MAY03LT
Nov 8, 2009
2
3
4
69
114K
Feb 28, 2017
by
robsamdx64
0
Sticky
How-to C6 efan installation
07TB
Aug 13, 2009
2
3
4
69
74K
Dec 29, 2016
by
BadDog98
D
[SOLVED]
Sticky
How to replace the radiator on a 2002 Chevrolet Trailbalzer
desertduster
Aug 28, 2010
18
50K
Oct 8, 2016
by
aschaller2
Sticky
How to change upper and lower radiator hoses - with pics
rbarrios
Nov 24, 2008
2
37
96K
Sep 28, 2015
by
MaddMannDA
Sticky
How to: Checking for spark in an I6 (video)
MAY03LT
Oct 23, 2011
16
17K
Dec 3, 2014
by
Powerman
Sticky
Cleaning Throttle Body, MAF, Air intake 5.3
stopher2
Sep 1, 2011
3
24K
Nov 3, 2014
by
robpreuss
Sticky
How to Change 3rd Brake Light--with pics
wardak33
Jul 4, 2009
2
3
45
81K
Apr 22, 2014
by
noraa
Sticky
Tie Rod Replacement How to
keitho64
Apr 18, 2009
5
6
7
130
203K
Apr 5, 2014
by
2004TB_LS_6cyl
Sticky
Step-By-Step True Flow CAI Install - Part 1
glfredrick
May 2, 2009
2
3
4
79
74K
Feb 13, 2014
by
trailblazer06ls
C
[SOLVED]
Sticky
Helpful steering wheel light how to
cablemn
Jan 16, 2012
3
22K
Apr 11, 2012
by
Spyw
H
Sticky
how to tow a 4x4 trailblazer?
hecsz28
Oct 30, 2011
12
45K
Nov 2, 2011
by
TollKeeper
4
Porting a 4200 head
4200noob
1d ago
2
60
9h ago
by
4200noob
G
any alternator brands to avoid?
gassinenvoy
Feb 3, 2024
12
678
3d ago
by
AshleyCovingto
D
2008 envoy cluster
donaldroberts1950
3d ago
2
119
3d ago
by
donaldroberts1950
B
Blinkers not working anymore.
benjaminblazer
Jan 6, 2024
27
475
4d ago
by
benjaminblazer
Thermal Fan Clutch
metalmike187
Nov 18, 2023
12
594
4d ago
by
AshleyCovingto
S
XUV tailgate/endgate removal
scottbt
Oct 27, 2018
13
4K
5d ago
by
AshleyCovingto
B
Random harness
bandoflex11666
Mar 10, 2024
5
308
5d ago
by
metalmike187
T
2007 Trailblazer fuel tank vent valve
T8KITEZ
6d ago
3
124
5d ago
by
Ravalli Surfer
Service 4WD
metalmike187
Aug 21, 2023
2
3
96
5K
6d ago
by
metalmike187
S
How to relearn transmission shift pattern
Seankg
6d ago
3
170
6d ago
by
Ravalli Surfer
A
2006 Trailblazer wipers+fluid are on!
Alaska.Plus
Mar 10, 2024
4
160
6d ago
by
Ravalli Surfer
D
cluster panel lights fuse
donaldroberts1950
Mar 12, 2024
7
172
6d ago
by
Ravalli Surfer
Oil Level Sensor?
metalmike187
May 3, 2023
11
1K
Mar 12, 2024
by
Ravalli Surfer
Glove box light mod
jpatnaude
Mar 9, 2024
1
137
Mar 10, 2024
by
Vega_TB
U
Will 06 Chrome Bumpers fit on O8
UncleSarge58
Mar 7, 2024
1
84
Mar 9, 2024
by
UncleSarge58
J
2008 Envoy 6 cylinder Tune up 80,000 miles
jthomas40
Mar 7, 2024
5
131
Mar 7, 2024
by
chem_man
2003 GMC Envoy SLT need help
jamesdavidbarker75
Mar 6, 2024
4
115
Mar 7, 2024
by
Ravalli Surfer
F
No crank on starter 2007 GMC Envoy 4.2L
fotoryder
Mar 4, 2024
3
79
Mar 6, 2024
by
Ravalli Surfer
R
Help2
Roknr
Mar 3, 2024
1
78
Mar 3, 2024
by
Ravalli Surfer
R
Help
Roknr
Mar 3, 2024
1
88
Mar 3, 2024
by
Ravalli Surfer
Thermal vs. Electric Fan Clutch
metalmike187
Mar 1, 2024
3
198
Mar 1, 2024
by
Ravalli Surfer
Fan Clutch Fan Blade Bolts
metalmike187
Nov 18, 2023
29
1K
Feb 29, 2024
by
metalmike187
TOOLS And You.
Ravalli Surfer
Sep 2, 2022
Poll
18
924
Feb 27, 2024
by
pdcomm
ANOTHER tool you gotta have!
Ravalli Surfer
Feb 22, 2024
11
772
Feb 27, 2024
by
chem_man
UPDATED: This is your PCV --- Treat it nicely and it'll return the love!
Ravalli Surfer
Aug 14, 2021
26
8K
Feb 23, 2024
by
Ravalli Surfer
C
2004 GMC XUV 4.2 starting issue
ChewyUK
Jan 6, 2024
16
508
Feb 22, 2024
by
AshleyCovingto
C
2006 Trailblazer EBCM Disassembly
crayzjoe23
Jan 3, 2024
14
575
Feb 22, 2024
by
AshleyCovingto
Relay Tester --- Get This Quick Before It Goes Away Again
Ravalli Surfer
Nov 24, 2023
2
68
2K
Feb 22, 2024
by
SirTrailBlazer
A
Display and transmission problems
Agnieszka Ki
Feb 18, 2024
2
138
Feb 20, 2024
by
chem_man
Engine Compartment Light
jpatnaude
Feb 19, 2024
4
322
Feb 19, 2024
by
tinmanwpk
C
2004 xuv
ChewyUK
Dec 30, 2023
2
40
2K
Feb 19, 2024
by
Ravalli Surfer
Ground Diagram
metalmike187
Jan 25, 2024
22
772
Feb 17, 2024
by
AshleyCovingto
Wheel Hub Recommendations
metalmike187
Jan 11, 2024
28
2K
Feb 16, 2024
by
AshleyCovingto
R
2004 Buick Rainer vortec 4.2 random misfire
Rstefanick
Jan 22, 2024
17
581
Feb 16, 2024
by
AshleyCovingto
2
p0340 Bad Gas?
222DVUP
Feb 8, 2024
11
198
Feb 12, 2024
by
chem_man
1
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